Question
During her shopping trip, Gwen bought three different types of pencils, L, M and N in the ratio of 5 : 2 : 9. She decided to sell them at the prices listed as shown.

Pencil L : $2.90
Pencil M : $0.90
Pencil N : $0.60

Given that Gwen bought a total 400 pencils, how much did Gwen collect from the sale of all the pencils?
3 m

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During her shopping trip, Gwen bought three different types of pencils, L, M and N in the ratio of 5 : 2 : 9. She decided to sell them at the prices listed as shown.

Pencil L : $2.90
Pencil M : $0.90
Pencil N : $0.60

Given that Gwen bought a total 400 pencils, how much did Gwen collect from the sale of all the pencils?